diff --git a/tools/xduoox3-updatebl.sh b/tools/xduoox3-updatebl.sh
new file mode 100755
index 0000000000..efb52bff8c
--- /dev/null
+++ b/tools/xduoox3-updatebl.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+unzip $1 rockbox.bin
+dd if=bootloader-x3.bin of=rockbox.bin bs=2048 seek=4 conv=nocreat conv=notrunc
+zip -o $1 rockbox.bin rockbox-info.txt
+rm rockbox.bin